Monessen

Bring Fire to Any Room— No Chimney Needed  

Specializing in Vent-Free gas products, Monessen offers customers an efficient, flexible way to enjoy the warmth of a real fire — without the need for a chimney or complex installation. With a diverse and upscale fireplace and gas log set lineup, Monessen is the go-to choice for easy-to-use, stylish heating solutions.  

Monessen is backed by decades of experience in fireplace innovation and manufacturing. Their products are tested to high safety and performance standards, giving customers a reliable and safe way to heat their spaces, year after year. 

Whether you're updating an old hearth, designing a new space, or just looking for a better way to warm your home, Monessen offers a smart, stylish, and efficient solution. 

The Benefits of Vent-Free Heating 

Vent-Free gas appliances are among the most eco-friendly heating solutions available. Since they don’t vent emissions outdoors, they release fewer pollutants and use fuel more efficiently. 

Plus, Monessen products are ideal for zone heating, allowing you to warm only the rooms you use most — lowering your overall energy usage. 

Advanced Fireplace Safety Features 

Monessen fireplaces are built with advanced features that enhance ease of use and safety. Many products include IntelliFire® ignition systems, which offer push-button or remote-control operation, variable flame heights, and programmable thermostats.  

Additionally, their oxygen depletion sensors (ODS) automatically shut off the gas supply if indoor oxygen levels fall below safe thresholds, ensuring peace of mind with every use. 

Built-In Ventless Fireplaces 

Monessen Ventless fireplaces distinguish themselves through high thermal efficiency, versatile design choices ranging from classic to contemporary, and easy adaptability to spaces where traditional venting isn’t possible.

With straightforward installation, gorgeous flame displays, and easy-to-use controls, Monessen fireplaces are a go-to choice for both residential home and commercial venues. 

Artisan Series 

Monessen’s popular Artisan Series Ventless gas fireplaces are sleek, contemporary, and remarkably efficient. Available in 42”, 48”, and 60” sizes — and even see-through models — these fireplaces deliver radiant warmth with a 99.9% thermal efficiency, eliminating the need for venting or a chimney. 

The luminous diamond fire glass ember bed and reflective black glass panels create a striking display, while multi-colored LED lighting sets the perfect mood for relaxing or entertaining. It’s all controllable with a multi-function remote, touchscreen, or Wi-Fi modules.  

Symphony Series 

The Symphony Ventless gas fireplace is compact, yet powerful — perfect for bring warmth and charm to smaller spaces that can’t accommodate a chimney. Available in 24” and 32” models, it features a slim, clean design with an expansive viewing area. It also offers flexible ignition options with either traditional millivolt or IPI controls. 

Customize the look with a classic Monessen Ventless log set or modern fire glass media, along with optional accessories, such as decorative liners, frames, and remote controls to suit your decor and lifestyle. 

Monessen’s Ventless Fireboxes 

Monessen has one of the most diverse collections of Ventless fireboxes on the market, making it easy to find the right look for your space. Enjoy beautiful, authentic flames, unparalleled heating, and customized look with your choice of Monessen log sets. 

A Ventless firebox is an economical way to add a fireplace to your home if it doesn’t already have one. Installed in either a wall or free-standing cabinet, a Ventless firebox is simply the metal combustion chamber of a traditional fireplace system, without the log set and engine. You then add the Ventless log set of your choice to complete it. 

Monessen’s Ventless fireboxes are zero-clearance, meaning you can install them flush against any combustible surface, such as drywall or wood. This provides extra flexibility and helps save money on installation costs. 

Attribute, Lo-Rider, & Exacta Series 

The most popular firebox lines from Monessen include the Attribute, Lo-Rider, and Exacta Series. Each collection brings a clean, modern vibe to your living space with louver-free designs that let you finish the area straight to the firebox with the material of your choice. They features interchangeable interior panels for custom style — trendy gray or classic brown in traditional or herringbone brick, and reflective black glass for a sleek, contemporary touch. 

Monessen fireboxes have a unique, angled design and specialized air channels to help circulate more heat into the room. They also have hidden screen pockets and deep, wide viewing areas to showcase your flames. Available in multiple sizes, each firebox is zero clearance and CSA-certified. They pair seamless with any of Monessen’s Ventless gas log sets. 

Realistic Ventless Gas Log Sets 

Monessen’s Ventless gas log sets deliver striking visual realism and remarkable heating efficiency, turning a traditional fireplace into a high-performance heat source without the need for venting. 

Each set features hand-painted or highly detailed refractory or hybrid Burncrete® logs paired with innovative burners — such as Natural Blaze and Glow Getter — for lively flames and glowing ember beds.

Operating at up to 99.9 % efficiency, Monessen Ventless logs help the heat stay inside your space, without letting it escape through the chimney, maximizing comfort and minimizing your energy bills. 

Some of the most popular Monessen log set styles are: 

• Mountain Oak 
• Beachcomber 
• Stony Creek 
• Natural Blaze, See-Through 
• Highland Oak 
• Charisma 
• Mojo 
• Dynamo 
• Moxie 

Contemporary Fireplace Burner 

Looking for a more modern aesthetic? Monessen’s state-of-the-art Lyric Contemporary fireplace burner dazzles with Bronze, Diamond, Onyx, or Sapphire fire glass. Safe and CSA-certified, it comes in three sizes and features an easy, millivolt ignition with multiple remote options. 

Why Choose Monessen? 

• Flexible Installation Options: Because they don’t require venting, Monessen products can be installed in places traditional fireplaces can’t, making them ideal for condos, remodels, or rooms without an existing chimney. 
• Wide Range of Styles: From sleek, modern linear designs like the Artisan series to classic, traditional looks like the Symphony or Mountain Oak log sets, Monessen offers options to match almost any décor. 
• Realistic Flame Presentation: Many models use advanced burner systems such as Natural Blaze or Glow Getter, paired with hand-painted refractory or Burncrete® logs, to create an authentic, lively flame and glowing ember bed. 
• Customization and Accessories: Monessen fireplaces and log sets often come with interchangeable interior panels, decorative fronts, LED lighting options, remote controls, and ignition choices, allowing you to personalize the look and operation.